Home / 7,986.33-11,956.01-5,915.57

Finding the Fourth Proportional to 7,986.33, 11,956.01 and 5,915.57

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Solution

The fourth proportional to 7,986.33, 11,956.01 and 5,915.57 is: 8,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.33 : 11,956.01 = 5,915.57 : x
  2. Step 2: Convert to fraction form
    7,986.33/11,956.01 = 5,915.57/x
  3. Step 3: Cross multiply
    7,986.33x = 11,956.01 × 5,915.57
  4. Step 4: Simplify right side
    7,986.33x = 70,726,524.72
  5. Step 5: Solve for x
    x = 70,726,524.72/7,986.33
  6. Step 6: Final answer
    x = 8,855.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.